NTSB investigations: Lycoming HIO-360 series
390 cases on aircraft whose registry engine model is Lycoming HIO-360 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases, newest first
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41524'))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41524'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB SEA98LA021Accident · No injuriesLimited investigationFinal reportEnstrom F-28F · John Day, ORa loss of engine power for undetermined reasons.NTSB NYC98LA025Accident · No injuriesLimited investigationFinal reportHughes 269B · Cleveland, OHthe pilot's failure to recover from settling-with-power. Factors relating to the accident were: the pilot's downwind approach and low airspeed.NTSB NYC98FA018Accident · No injuriesField investigationFinal reportEnstrom F-28C · Fairview, PAinadequate maintenance, which led to detonation and a melted piston, and subsequent power loss.NTSB CHI98LA021Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Grand Forks, NDthe pilot's inadequate preflight planning which resulted in a low fuel state, and his inability to see the wire which the helicopter contacted. Factors associated to the accident were the precautionary landing, the dark night conditions, and the wire which…NTSB ATL97LA114Accident · No injuriesLimited investigationFinal reportHughes 269A · Dandridge, TNthe pilot's failure to properly plan the approach for landing, which led to a loss of tail rotor authority and directional control, while close to the ground. The tailwind was a related factor.NTSB LAX97LA224Accident · Minor injuriesLimited investigationFinal reportEnstrom F-28-F · Riverside, CAfailure by unknown maintenance personnel to retorque the nuts on the retainer cover.NTSB ATL97LA067Accident · No injuriesLimited investigationFinal reportHughes 269A · Lake Wales, FLloss of engine power for undetermined reason(s); and the flight instructor's improper flare and improper use of the flight controls, while flaring for an autorotative landing.NTSB CHI97LA118Accident · No injuriesLimited investigationFinal reportHughes 269A · Council Bluffs, IAfailure of the student pilot to maintain directional control, inadequate supervision by the flight instructor (CFI), and subsequent failure of the pilot(s) to properly flare the helicopter during a hover autorotation.NTSB MIA97LA103Accident · Serious injuriesLimited investigationFinal reportHughes TH-55 · Cullman, ALa loss of engine power for undetermined reasons and the pilot-in-command's failure to maintain control of the helicopter. Factors in this accident were: an improper autorotation as a result of improper collective use and resulting failure to maintain main…NTSB IAD97GA054Accident · No injuriesFinal reportSchweizer 269C · Cleveland, OHThe engine failure from the rod cap bolt being sheared and the separation of the number two cylinder separating from the crankcase.NTSB MIA97LA084Accident · No injuriesLimited investigationFinal reportHughes 269A · Homosassa, FLthe unqualified person's poor judgment, by taking the helicopter without the owner's permission and attempting an unauthorized flight at night; and his failure (or inability) to maintain control the helicopter. Darkness was a related factor.NTSB SEA97FA003Accident · No injuriesField investigationFinal reportEnstrom F-28C · Spokane, WAa loss of engine power for undetermined reasons.NTSB FTW96LA244Accident · No injuriesLimited investigationFinal reportHughes 269 · Dallas, TXThe student pilot's encounter with dynamic rollover while hovering. Factors were the prevailing high winds and the inadequate supervision provided by the flight instructor.NTSB FTW96LA174Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Silver, TXthe pilot's failure to maintain adequate rotor RPM.NTSB MIA96LA106Accident · Minor injuriesLimited investigationFinal reportEnstrom F-28C · Defuniak Spring, FLThe pilot's inadvertent flight into instrument meteorological conditions, and inadvertent descent, due to spatial disorientation, which resulted in a collision with trees. Factors relating to the accident were: the adverse weather conditions and the pilot's…NTSB ATL96LA063Accident · No injuriesLimited investigationFinal reportCessna 172RG · Gulf Shores, ALThe failure of both pilots to maintain an adequate visual lookout. A factor was the lack of position reports via radio by the pilot of the helicopter.NTSB FTW96LA095Accident · No injuriesLimited investigationFinal reportSchweizer 269C · San Ygnacio, TXFailure of the rotor drive system clutch assembly (separation of the swedge ball from the end of the clutch control cable), which resulted in disengagement of the rotor drive system, while the helicopter was in lateral movement at low altitude.NTSB BFO96LA003Accident · No injuriesLimited investigationFinal reportEnstrom F28-280C · Blue Ash, OHthe commercial pilot's failure to maintain clearance from obstacles during hover-taxi operations. Related factors the tailwind, the nearby obstacle, and the misjudged maneuver to avoid obstacles.NTSB LAX95LA332Accident · 1 fatalLimited investigationFinal reportEnstrom F-28C · Livermore, CAthe pilot's inadequate preflight fuel load determination procedures which resulted in fuel exhaustion. In addition, the pilot's delayed and improper use of the collective and cyclic flight controls following the engine failure led to his failure to maintain…NTSB LAX95LA271Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Redlands, CAThe company's maintenance personnel improper servicing of the landing skid actuators.NTSB LAX95LA188Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Scottsdale, AZThe CFI's failure to apply adequate power during the flare which was a result of not maintaining the required engine and rotor rpm.NTSB FTW95LA039Accident · No injuriesLimited investigationFinal reportHughes 269A · Monticello, ARThe loss of engine power due to a fatigued rod end bolt. A factor was the lack of suitable terrain for landing.NTSB CHI94LA316Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Grand Forks, NDthe pilot-in-command's (CFI) delayed recovery from a practice autorotation. A factor associated with the accident was the student pilot's improper autorotation.NTSB ANC94LA132Accident · No injuriesLimited investigationFinal reportJames Chisum CHISUM-SCRAPS · Fairbanks, AKThe failure of the pilot to maintain directional control of the airplane. Factors in the accident were the soft terrain and inadequate remedial action.NTSB FTW94LA253Accident · No injuriesLimited investigationFinal reportHughes 269A · Leander, LAInadequate maintenance and a fatigue failure of a #1 cylinder connecting rod bolt. A factor was the lack of suitable terrain available to the pilot for a forced landing.NTSB SEA94LA153Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Hillsboro, ORThe improper servicing of the skid shock struts.NTSB FTW94GA204Accident · Minor injuriesFinal reportHughes 269C · London, TXThe partial power loss due to a sticking valve. Factors were the remaining worn lobes on the camshaft and the lack of suitable terrain onto which a successful forced landing could be executed.NTSB ATL94LA100Accident · Serious injuriesLimited investigationFinal reportSchweizer 269C · Hiram, GAThe inadvertent flight from VMC conditions to IMC conditions by the pilot. A factor in the accident was the ground fog in the area.NTSB ATL94LA095Accident · Serious injuriesLimited investigationFinal reportSchweizer 300C · Randleman, NCThe pilot's failure to adequately preflight the helicopter which resulted in a complete loss of engine power. A factor was water in the fuel supply.NTSB CHI94LA138Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Fargo, NDthe pilot in command's improper autorotation technique. A factor associated with the accident is the FAA Inspector's delayed remedial action.NTSB LAX94LA201Accident · No injuriesLimited investigationFinal reportSchweizer 300C · Pacific Ocean (Pacific Ocean)The low altitude of the aircraft when the engine lost power and the pilot's misjudgement of the flare point during the autorotation. Factors in the accident were the loss of engine power and the sunglare.NTSB CHI94LA013Accident · No injuriesLimited investigationFinal reportHughes 269A · Coldwater, MIthe fatigue failure of the tailboom support strut attachment lug.NTSB MIA94LA002Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Opa-Locka, FLImproper servicing of three of the four main landing gear dampers by company maintenance personnel, and innadequate remedial action by the pilot as ground resonance began.NTSB ATL94LA002Accident · No injuriesLimited investigationFinal reportHughes 269B · Linville, NCThe pilot's failure to maintain airspeed that would have avoided a loss of tail rotor effectiveness (lte), and his improper compensation for tailwind condition. A factor was the lack of information in the pilot's operating handbook regarding the conditions…NTSB SEA93FA178Accident · No injuriesField investigationFinal reportEnstrom F-28C · Seattle, WAShorted magneto condensers. Factors include a hidden obstruction in the landing area, and a reduction in rotor RPM from attempting to avoid the obstruction.NTSB MIA93LA177Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Punta Gorda, FLThe pilot-in-command's improper use of the flight controls (cyclic and collective pitch) during a simulated autorotation with turn, resulting in an in flight collision with terrain with the tail skid and tailrotor blades.NTSB NYC93GA151Accident · Serious injuriesFinal reportEnstrom F-28C · Gallipolis, OHThe pilot's improper use of the collective and throttle which resulted in a low rotor rpm condition and a loss of control, and an inflight collision with the terrain.NTSB DEN93LA070Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Boulder, COA failure by the pilot flying to adequately compensate for wind conditions which led to a loss of tail rotor control. A factor was: inadequate supervision by the pilot in command.NTSB LAX93FA260Accident · 1 fatalField investigationFinal reportHughes 269A · Henderson, NVthe pilot's improper use of the collective control and his failure to maintain adequate RPM during an autorotative descent during a practice power off landing. A factor which contributed to the accident related to the pilot's lack of recent experience…NTSB NYC93FA115Accident · 1 fatalField investigationFinal reportEnstrom F28C · Gordon, KYThe pilot's failure to see and avoid the wire.NTSB CHI93LA208Accident · No injuriesLimited investigationFinal reportHughes 269 · Valley City, NDthe pilot-in-command's failure to maintain clearance from a tree during an aerial application manuever.NTSB CHI93DEE01Accident · No injuriesFinal reportMark Streitz Skybolt · Joliet, ILthe failure of the number two connecting rod bolt.NTSB LAX93LA227Accident · No injuriesLimited investigationFinal reportHughes 269C · Van Nuys, CAthe student pilot's failure to maintain the altitude while maneuvering toward the parking area. The student pilot's lack of total experience was a factor in this accident.NTSB MIA93LA061Accident · No injuriesLimited investigationFinal reportHughes 269A · Jacksonville, FLThe failure of the pilot-in-command to monitor fuel quantity due to inattentiveness. Contributing to the accident was the improper use of the collective flight control during the soft field autorotation.NTSB BFO93FA019Accident · 2 fatalField investigationFinal reportHughes 269C · Tonawanda, NYImproper inflight planning/decision by the pilot and his failure to maintain clearance from an obstacle during flight. Factors related to the accident include poor visibility and weather conditions at dusk, and the pilot's excessive airspeed for the…NTSB LAX93LA087Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Folsom, CAThe pilot failing to maintain an adequate visual lookout resulting in the helicopter colliding with electrical transmission wires.NTSB LAX92LA383Accident · No injuriesLimited investigationFinal reportHughes 269C · Rialto, CAThe pilot/passenger's failure to maintain adequate rotor RPM and the pilot-in-command's inadequate supervision of the flight.NTSB LAX92LA333Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Pacific Ocean (Pacific Ocean)The pilot's inadequate preflight inspection by failing to untie the front skid tiedown rope.NTSB CHI92LA222Accident · No injuriesLimited investigationFinal reportHughes 269C · Aurora, ILFatigue fracture of the engine crankshaft resulting in loss of power. Factors were the pilot's excessive descent and his lack of total experience.NTSB DEN92LA001Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Evergreen, COIn flight encounter with a sudden downdraft. A factor was: the pilot's lack of total experience in aircraft type.